package com.ssh.filter;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;

import com.ssh.model.SystemContext;

public class SystemContextFilter implements Filter {

	@Override
	public void destroy() {
		
	}

	@Override
	public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
		int offset = 0;
		try {
			offset = Integer.parseInt(request.getParameter("pager.offset"));
		} catch (NumberFormatException e) {
		}
		SystemContext.setOffset(offset);
		SystemContext.setSize(5);
		System.out.println("offset = "+SystemContext.getOffset());
		System.out.println("size = "+SystemContext.getSize());
		chain.doFilter(request, response);
	}

	@Override
	public void init(FilterConfig config) throws ServletException {
		
	}

}
